Carolyn Krause presents the second part of the three-part series on the Oak Ridge National Laboratory's role in the discovery of elements in the periodic table. Many of them have been synthesized ...

What comes to mind when you think about isotopes? Radioactivity, perhaps? That’s only the tip of the iceberg. A new interactive periodic table of the elements and isotopes, launched last month by the ...

Elements heavier than uranium don’t exist naturally on Earth. Researchers make these massive elements at the end of the periodic table by smashing existing atoms together in particle accelerators.